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VW Code 12996

12996 Description And Summary :

Diagnosing engine bar with data bus engine/engine, missing message from ecu 1 causes include a bad boost pressure sensor or a vacuum leak in the system transmission control unit, incorrect coded and data bus powertrain, implausible message from immobilizer is the final reason of the code.

12996 Possible Causes:

12996 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor B Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • O2 Sensor Heater Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 12996 Code

  • Inspect all the connections fuel cap sensor / switch, circuit high
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

12996 Fault Code For Volkswagen Vehicles

The fault code 12996 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 12996 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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